Eaton STS367FW61 Shunt Trip Safety Switch - NEMA 4X
Part Number: STS367FW61
Quick Summary
Eaton STS367FW61 shunt trip safety switch provides rapid fault isolation for 3-pole control circuits in industrial panels. When a fault occurs, it minimizes downtime by enabling fast remote or local tripping. It carries cUL Certified and UL Listed marks and rides in a rugged NEMA 4X enclosure of 304 stainless steel. With an 800 A rating, 24 Vdc coil, and 600 Vac / 250 Vdc voltage range, it supports demanding industrial safety applications while ensuring reliability, compliance, and ease of integration in electrical protection & circuit control environments.
Product Information
Extended Description
STS367FW61 Eaton: Eaton shunt trip safety switch, 800 A, Three-pole, 600 Vac, 250 Vdc, Alarm switch, 24 Vdc, 1 NO-1 NC, NEMA 4X, 304 stainless steel, Fusible, 600 V
Product Name
Eaton shunt trip safety switch
Catalog Number
STS367FW61
UPC
786685829722
Product Length/Depth
12.43 in
Product Height
71.72 in
Product Width
29.54 in
Product Weight
167 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
cUL Certified UL Listed
Auxiliary contacts
Alarm switch
Enclosure
NEMA 4X
Enclosure material
304 stainless steel
Number Of Poles
Three-pole
Type
Shunt trip safety switch
Amperage Rating
800A
Coil voltage
24 Vdc
Protection
Fusible
Voltage rating
600 Vac, 250 Vdc
Contact configuration
1 NO-1 NC
Switching Devices Flex Center
Switching Devices Flex Center
Switching Devices Flex Center
Eaton Specification Sheet - STS367FW61
Feature: 800 A amperage rating with three-pole configuration and 600 Vac / 250 Vdc voltage rating. Business impact: enables safe, high-current switching for large MCCs and switchgear, reducing the risk of arcing and downtime during maintenance. Application: suitable for industrial control panels requiring robust protective interlocks and fast isolation in demanding environments. Feature: 24 Vdc coil voltage with a 1 NO-1 NC auxiliary contact (alarm switch). Business impact: supports seamless integration with conventional control circuits and enables remote signaling for status monitoring, improving operator safety and plant uptime. Application: ideal for automation panels and safety interlocks where visibility matters. Feature: NEMA 4X enclosure in 304 stainless steel. Business impact: provides corrosion resistance and washdown capability, extending service life in harsh industrial environments. Application: food & beverage, chemical processing, and outdoor installations where enclosure integrity is critical. Feature: Fusible protection and rugged construction. Business impact: enhances fault isolation and reduces downstream damage, lowering maintenance costs and total cost of ownership. Application: critical safety circuits in motor control centers and switchgear. Feature: Certifications and warranty. Business impact: UL and cUL compliance support procurement and regulatory acceptance; one-year warranty (or 18 months from shipment) minimizes risk and ensures support. Application: procurement-ready for regulated facilities and safety-critical applications.
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FAQs
STS367FW61 is designed for straightforward integration into three-pole control circuits. The unit uses a NEMA 4X stainless steel enclosure and provides a 1 NO-1 NC alarm contact for signaling. Ensure panel cutouts and mounting feet align with your enclosure specifications, maintain adequate clearance for heat dissipation, and follow Eaton wiring diagrams for coil connections and safety interlock wiring.
The device supports an 800 A amperage rating with a 3-pole configuration. It accepts a voltage rating of 600 Vac and 250 Vdc, with a 24 Vdc coil for control signaling. The contact configuration is 1 normally open and 1 normally closed, with fusible protection options to match your protection scheme.
Yes. The STS367FW61 uses a NEMA 4X enclosure and 304 stainless steel construction, offering corrosion resistance and washdown capability. This makes it appropriate for outdoor installations, chemical processing, and food & beverage environments where moisture, dust, or cleaning agents are present.
The unit is cUL Certified and UL Listed, ensuring compliance with North American safety standards. These certifications, combined with the NEMA 4X enclosure, help streamline code compliance for industrial facilities and facilitate procurement in regulated environments.
Eaton offers a one-year warranty from the installation date or eighteen months from shipment, whichever occurs first. For maintenance, follow the manufacturer’s datasheet for periodic inspections of coil integrity, contact status (alarm switch), and enclosure seals to maintain protection ratings and ensure reliable tripping when needed.